Magic Resistance. The elf has advantage on saving throws against spells and other magical effects that are not silvered.

Energy Thief. the elf can gain more temporary hit points when it already has temp. hp. for example, say a Bobin drained 50 hp from a barbarian, then later 6 hp from a wizard without taking damage in between. It would now have 56 temporary hp.

Shortsword. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage.

Shortbow. Ranged Weapon Attack: +5 to hit, range 80/320 ft., one target. Hit: 6 (1d6 + 3) piercing damage.

Drain Energy. Melee Weapon Attack: + 5 to hit, reach 5 ft, two creature. Hit: 1 to 50(elf's choice) necrotic damage. the elf gains temporary hit points equal to the damage dealt.